August weather forecast
Langhorne, PA

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Weather in August

August, the last month of the summer in Langhorne, is another warm month, with an average temperature varying between 66.7°F (19.3°C) and 83.1°F (28.4°C).

Temperature

August's advent presents an average high-temperature of a still warm 83.1°F (28.4°C), indicating a slight variation from the conditions of the previous month. Langhorne experiences an average low-temperature of 66.7°F (19.3°C) in the month of August.

Heat index

The heat index value for August is calculated to be a tropical 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Note that heat index values are valued for light wind and location in the shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In August, the rain falls for 16 days. Throughout August, 3.5" (89mm) of precipitation is accumulated. Throughout the year, in Langhorne, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

Sunshine

In Langhorne, the average sunshine in August is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Langhorne in August?

In August, in Langhorne, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August in Langhorne is 73%.

How much does it rain in August?

In Langhorne, in August, during 16 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in August in Langhorne?

In August, the average day length is 13h and 43min.

When is the sunrise / sunset in August in Langhorne?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm EDT.

How many hours of sunshine does Langhorne have in August?

The average sunshine duration in August is 10.2h.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Langhorne, PA

Average temperature in August - Langhorne, PA
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Langhorne, PA

Average pressure in August - Langhorne, PA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Langhorne, PA

Average wind speed in August - Langhorne, PA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Langhorne, PA

Average humidity in August - Langhorne, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Langhorne, PA

Average rainfall in August - Langhorne, PA
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in August
Langhorne, PA

Average rainfall days in August - Langhorne, PA
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in August
Langhorne, PA

Average snowfall in August - Langhorne, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Langhorne, PA

Average snowfall days in August - Langhorne, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Langhorne, PA

Average daylight in August / Average sunshine in August - Langhorne, PA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Langhorne, PA

Average sunshine days in August - Langhorne, PA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in August
Langhorne, PA

Average UV index in August - Langhorne, PA
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Langhorne, PA

Average cloud cover in August - Langhorne, PA
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Langhorne, PA

Average visibility in August - Langhorne, PA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Langhorne, Pennsylvania, USA

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